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L. MUTHER. MACHINE POR SEWING LOOPBD FABRICS. No. 469,525. Patented Feb.23, 1892.

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L. MUTHER.

MACHINE IOR SEWING LOOPBD FABRIGSt No. 469,525. Patented Feb. v23, 1892.

WMe/Joao www Ulvrrni) STATES PATENT OFFICE.

LORENZ vMUTHER, OF OAK PARK, ILLINOIS, ASSIGNOR TO THE UNION SPECIALSEIVING MACHINE COMPANY, OF SAME PLACE.

MACHINE FOR SEWING LOOPED FABRICS.

SECIFICATION forming part of Letters Patent No. 469,525, dated February23, 1892.

Application filed September 18, 1891. Serial No. 406,143. (No model.)

To @ZZ whom zit may concern:

Be it known that I, LORENZ MUTHER, a citizen of the United States,residing at Oak Park, in the county of Oook and State of Illinois, haveinvented certain new and useful Improvements in Machines forSewingLooped Fabrics, of which the following is a description, referencebeing had to the accompanying drawings, and to the letters of referencemarked thereon.

My invention relates to that class of machines known as machines forsewing looped fabrics, used for uniting the two selvage edges of knittedfabrics or for sewing together the cuffs and body portions of shirts anddrawers, Heretofore many special machines 'for this purpose have beendevised, but all are of special construction and very complicated.Furthermore, many are Apractically of little value, because of thedifficulty experienced in placing the goods in position to be operatedupon and the liability of the machines to get out of order because oftheir complicated nature.

It is the object of the present invention to provide a more simplemachine than those now on the market and yet one more effective inpractice.

To carry out the object, therefore, the invention relates in itsbroadest sense to means in various other matters, all hereinafterdescribed, and referred to in Y the appended claims.

My invention is illustrated in the accompanying drawings, in which-MFigure l is a side elevation of my improved machine, part being brokenaway. Fig. 2 is a bottom plan view; and Fig. 3 isaview similar to Fig.l, but from the opposite side.

both those for straight sewing and those fori` making irregularstitches. i

Other features of the invention are especially applicable to the type ofmachine shown and are claimed in combination therewith.V

In the drawings, A represents the frame of the machine, attached, asshown, to asuitable bracket B on a table in such a way that the needlereciprocates in a horizontal direction and the looper vibratesvertically and the parts extend out beyond the table, thereby renderingit possible to apply to the machine a horizontally-rotatingmaterial-carrying cylinder, which shall be easy of access for thepurpose of putting on the goods.

C is the main shaft of the sewing-machine, as herein shown arrangedvertically and actuated in the usual way by a belt over the wheel a.

D isthe needle-arm, pivoted on the'main overhanging arm or goose-neck ofthe machine and oscillated by the rod h, secured to the eccentric c onthe main shaft. This needle-arm has a link connection with theneedle-bar, whereby a reciprocatory movement is given thereto. Theneedle used is the ordinary eye-pointed needle and is attached to .thebar in the usual way. The looper CZ', which acts in conjunction with theeye-pointed needle to form the stitch, receives its forwardand-backoscillation from the needle-arm D by means of the connecting pitman-rodF.

The operation of the parts and the manner of forming the stitch are thesame as those described in connection with said Patent No.

IOO

299,568 and need not be herein specifically referred to.

To hold the pieces of fabric while their edges are being united, I haveprovided the cylinder G, which has on its outer periphery pins or pointsg, upon which the pieces of goods are impaled and heldin proper positionto be acted upon by the sewing mechanism. This cylinder is journaled onasuitable axle h. Secured to a vertical overhanging arm of the machine isa bracket II, having a socket adapted for the reception of a squaredportion t' on the aXle h, whereby the axle is prevented from turningwhen placed on the bracket. This bracket is also provided with grooves,through which the presser-foot bar and` needle-bar play. The rear end ofthe axle,- which projects through the socket, is 'screw-threaded at 7cand is adapted to receive a nut l, which is screwed firmly against theedge of the bracket and holds the cylinder securely in position.

In order to properly feed forward the goods, I` have provided thefollowing means for giving a rotary motion to the material-carryingcylinder: Upon the main shaft of the machine is formed a worm I, meshingwith a worm-wheelJ on the end of a shaft K, passing through a bearingformed in an arm L, attached to the frame of the machine. This shaft Kcarries on its outer end a beveled gear-wheel fm., which meshes with abeveled gear-wheel nt on the end of a shaft K', running parallel withthe main shaft and having a bearing on the arm L. This shaft K hasloosely mounted upon its opposite end` a gearwheel fn, adapted to meshwith the gear M, secured on the rotating cylinder G. A clutch Nforms theoperative connection between the shaft K and the rotating cylinder. Thisclutch consists of the two members o o', one 0 formed with thegear-wheel n and the other formed with the collar O, having an inclinedface and splined on the shaft K'. A spring p keeps the collar O normallypressed forward and the members of the clutch in contact. The clutch iscontrolled through the movement of the presser-foot. The presser-footproper P is of the usual construction, but is provided with an extensionP', passi-ng within the periphery of the cylinder and bent in such a wayas to guide the goods more certainly to the needle. Thepresser-foot-operating mechanism consists of the ordinary bar q andthesupplemental bar q', attached thereto. Movement is imparted to thepresser-foot in the ordinary way by means of the cam-lever o'. Attachedto the supplemental presserfoot bar q' is a stud or projection s, whicheX- tends into contact with the inclined face of the collar O, wherebyin the upward movement of the presser-foot the collar and member o ofthe clutch are forced along the shaft K out of contact with the member oof the clutch, thereby allowing the wheel n, loosely mounted on theshaft K', and therefore the cylinder itself, to rotate independently ofthe drivingshaft.

If, therefore, when the machine is in operation a stitch breaks, it isonly necessary to raise the presser-foot, thereby releasing the clutch,and rotate the cylinder back to the desired position for taking up thework again. Any suitable trimmer for trimming off the fabric may beapplied to the machine, as may also stripping-plates for stripping offthe fabric from the cylinder. Such features do not form part of thepresent application, however, as they are shown, described, and claimedin an application filed by me January 27, 1892, Serial No. 419,456.

Ill-order to provide for more securely holding the goods at the pointwhere they are to be stitched, I have provided a s'lot t (see Fig.

2) in the throat-plate, into which the pins onV the cylinder extend inits movement, and by the passage of the pins into this slot thematerialis forced more securely upon the pins at the place where the operationof sewing is accomplished. This slot is of width sufficient only toaccommodate the pins, so that the edges of the slot act to bindthe'goods on the cylinder, the presser-foot holding the part throughwhich the stitch passes firmly against the throat-plate. y

It will be understood that while I have shown the cylinder as supportedby a bracket attached to the head or goose-neck of the machine any othermeans of attachment to the same or corresponding part may besubstituted, the object being to avoid the defect existing in machinesfor the same purpose as now constructed, in which great difficulty isexperienced in placing the goods on the cylthe invention comprising inits broadest sense a main vertical shaft, a vertical overhanging arm,with a material-carrying cylinder horizontally disposed` and secured tosaid arm, and intermediate operative mechanism whereby the fabric is fedand the stitches placed therein, as hereinafter described and claimed.

I am aware that a horizontally-rotatin g cylinder provided with groovedneedles on which successive loops of the fabric may be im paled has beenconstructed with a reciprocating looper having a movement in the grooveof said needles, such construction being shown in patent to Pearson, No.273,143, dated February 27, 1883, as have also many other machines forsewing looped fabrics; but never, so far as I am aware, have ahorizontally-reciprocating thread-carryin g eye-pointed needle and avertically-swinging looper co-operating with the needle to form thestitch been combined with a horizontally-rotating cylinder carrying pinsupon which the body of the fabrics are impaled, the edges to be joinedextending out into position to be acted uponby the stitchformingmechanism.

In operation it will be understood that the IOO IIO

fabrics to be joined are impaled upon the pins of the cylinder with theedges extending out beyond the cylinder into the line of thestitch-forming mechanism. The presser-foot is then forced down, clampingthe edges of the material against the work-plate and causing the clutchon the shaft K to be connected, when in the movement of the main shaftto operate the sewing mechanism to form the stitches the cylinder willbe fed around continuously to carry the material forward.

I am aware of the construction shown in the patent to Dinsmore FebruaryIl, 1879, Reissue No. 8,575, and do not claim the construction thereinshown.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is

l. In a sewing-machine, the combination, with the mainvertically-arranged shaft and vertically-arranged overhanging arm, of ahorizontally-rotatable material-carrying cylinder journaled to androtating beneath said arm, and intermediate operative mechanism wherebythe fabric is fed and the stitches placed therein, substantially asdescribed.

2. In a sewing-machine, the combination, with the main vertical shaftand the vertical overhanging arm or goose-neck A, of thehorizontally-rotatable material-carrying cylinder G, attached to saidoverhan ging arm or gooseneck, a vertically-arranged needle-arm leverand a horizontally-reciprocating needle-bar arranged just above thematerial-carrying cylinder, and complement-al stitch-forming mechanism,substantially as described.

3. In a machine for sewing looped fabrics and the like, a suitablebracket B, a vertically-arranged main shaft supported therefrom, avertical overhanging arm or gooseneck A, a bracket secured to the lowerend thereof, a horizontally-rotatable material-carrying cylindersupported from said bracket, a vertically-arranged needle-arm lever anda horizontally reciprocating needle carrying .bar arranged just abovethe material-carrylng cylinder, and a vertically-reciprocating looperco-operating with the needle to form the stitches, substantially asdescribed.

4. In combination with the main vertical shaft, the vertical overhangingarm, and the stitch-forming mechanism of a sewing-machine, a bracketattached to the lower end of said overhanging arm, said bracket beingprovided with a socket, an axle h, fitting in said socket, ahorizontally-arranged cylinder loosely journaled on said axle and havingpins on its periphery for carrying the material, and connections betweenthe main shaft and the cylinder for giving the latter rotary motion,substantially as described.

5. In combination with the main shaft,

stitchforming mechanism, rotatable materialcarrying cylinder, andpresser-foot, a clutch connection between the main shaft and therotatable cylinder and means by which the same is controlled by themovement of the presser-foot, substantially as described.

G. The combination, with the main vertical shaft, the verticaloverhanging arm, and the stitch-forming mechanism of a sewing-machine,of a bracket attached to the lower end of said overhanging arm, having asocket, an axle h, having a squared portion adapted to be inserted inthe socket and screw-threaded on the upper end, a nut fitting thereonfor holding the axle in position, a horizontallyrotatingmaterial-carryin g cylinder j ournaled on said axle 7L, said cylinderbeing provided with a suitable gear-wheel, operative connections betweenthe main shaft and said gearwheel, and a clutch for controlling saidconnections, substantially as described.

7. The combination, with the main Vertical shaft, the verticaloverhanging arm, and the stitch-forming mechanism of a sewing-machine,of a bracket attached to, the lower end of said overhanging arm,a.presserfoot and the usual operating mechanism therefor,` the brackethaving a socket and guides for the passage of the presser-foot andneedle-bars, an axle, as h, adapted to lit in said socket, ahorizontally-arranged cylinder rotatable on said axle and having agear-wheel, operative connections, as I .I K m m K n, between the `mainshaft and the gear-wheel, and a clutch for throwing the cylinder intoand out ofvoperation, saidclutch comprising the member o, formed withthe gear-wheel n, and the other member o', having the collar O providedwith an inclined face, the supplemental presserfoot bar having a studfor throwing the clutch out of engagement, and a spring for returningthe same, substantially as described.

8. In a sewing-machine, the combination, with the mainvertically-arranged shaft and verticallyarranged overhanging arm, of ahorizontally-rotatable material-carrying cylinder secured to said armand provided with pins on its periphery, on which the material isimpa-led, mechanism for operating said cylinder, ahorizontally-reciprocating needle and complemental stitch-formingmechanism, .and a throat-plate provided with a slot adapted for thereception of the pins, whereby thc material is forced more firmly on thecylinder, substantially as described. A

In testimony whereof I affix my signature in presence of two witnesses.

LORENZ MUTHER. Witnesses:

W. S. NORTH, CHESTER MCNEIL.

IIO

It is hereby certified that the residence of the' assignee in LettersPatent N o. 469,525,

granted February 23, 1892, upon the application ot' Lorenz Muther, ofOak Park,`

Illinois, for an improvement in Machines for Sewing1 Looped Fabrics,77was erroneously written and printed of saine p1ace,7 (11.0. Oak Park,Illinois), Whereas said residence should have been Written and printedChicago, Illinois; andthat the said Letters Patent should be read withthis correction therein that the saine may conform to the record of thecase in the Patent Ofce.

Signed, countersigned, and sealed this lst day of March, A. D. 1892.

CYRUS BUSSEY,4 Assistant Secretary of the Interior.

[SEAL] Countersigned W. E. SIMONDS,

C'oininissimunn of Patents.

